// Copyright (c) 1999-2004 Brian Wellington (bwelling@xbill.org)

package org.xbill.DNS;

/**
 * Constants relating to the credibility of cached data, which is based on the
 * data's source. The constants NORMAL and ANY should be used by most callers.
 * 
 * @see Cache
 * @see Section
 * 
 * @author Brian Wellington
 */

public final class Credibility {

	private Credibility() {
	}

	/** A hint or cache file on disk. */
	public static final int HINT = 0;

	/** The additional section of a response. */
	public static final int ADDITIONAL = 1;

	/** The additional section of a response. */
	public static final int GLUE = 2;

	/** The authority section of a nonauthoritative response. */
	public static final int NONAUTH_AUTHORITY = 3;

	/** The answer section of a nonauthoritative response. */
	public static final int NONAUTH_ANSWER = 3;

	/** The authority section of an authoritative response. */
	public static final int AUTH_AUTHORITY = 4;

	/** The answer section of a authoritative response. */
	public static final int AUTH_ANSWER = 4;

	/** A zone. */
	public static final int ZONE = 5;

	/** Credible data. */
	public static final int NORMAL = 3;

	/** Data not required to be credible. */
	public static final int ANY = 1;

}
